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THREE NEW SPECIES OF NEARCTIC ROVE BEETLES FROM THE PACIFIC COAST (COLEOPTERA, STAPHYLINIDAE) *
TLDR
Body feebly convex, except the following areas which are reddish-yellow: basal third and along suture, and an irregular oblique fascia extending inward and posteriorly from the margin at middle almost to the suture at apical fourth. Expand
Key to the Nearctic Genera of Water Beetles of the Tribe Agabini, with Some Generic Synonymy (Coleoptera: Dytiscidae)
Upon using the key to the genera of the tribe Agabini as given in Bradley's “A Manual of the Genera of Beetles of America, North of Mexico,” page 47, it becomes evident that there must have been someExpand
SOME NEARCTIC SPECIES OF HYDRADEPHAGID WATER BEETLES, NEW AND OLD (Coleoptera)
A medium sized non-maculate species, allied to and resembling H. strigatus Roberts but more robust; elytra vittate as a result of the blackened strial punctures. Elytra of the female shining. Male :Expand
British Water Beetles
Dimorphism in the Flying Wings of a Species of Water Beetle, Agabus Bifarius (Kirby) (Coleoptera: Dytiscidae)
TLDR
The ability to fly to new waters is a necessity for those species of water beetles inhabiting ephemeral ponds and streams and one is not surprised to find that flightless species are rare. Expand
A NEW SPECIES OF GYRINUS, WITH A NOTE ON DINEUTUS ROBERTSI LENG. (COLEOPTERA, GYRINIDAE) *
TLDR
A medium sized, polished black species, closely resembling picipes Aube in general facies; legs dark, especially the middle and hind pairs. Expand
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